Physicians Mark A. Colquitt, M.D., F.A.C.S. Dr. Colquitt was born in Knoxville, Tenn. He completed four years of active duty in the Navy as a surgeon prior to returning to East Tennessee in 1994. Undergraduate: University of Tennessee, Knoxville Medical School: University of Tennessee, Memphis Residency: Saint Mary’s Hospital, Waterbury, Conn.; Yale University, School of Medicine, New Haven, Conn. Board Certified: General Surgery Member: Fellow, American College of Surgeons; Member, American Society of Metabolic and Bariatric Surgery; Member, The Society of American Gastrointestinal and Endoscopic Surgeons Jonathan H. Ray, M.D., F.A.C.S. Originally from Thibodaux, La., Dr. Ray began his practice in Maryville in 1988. Undergraduate: Nicholls State University, Thibodaux, La. Medical School: LSU Medical School, New Orleans Residency: Charity Hospital System, New Orleans Fellowship: Memorial Hospital, Jacksonville, Fla. Board Certified: General Surgery   Member: Fellow, American College of Surgeons; American Society of Metabolic and Bariatric Surgery; Society of American Gastrointestinal and Endoscopic Surgeons